Niles Audio OS6.5 OS 7.5 Loudspeaker, OS 6.5 Loudspeaker, OS 5.5 Loudspeaker, Specifications

SPECIFICATIONS

OS 7.5 Loudspeaker

Driver Complement

•7" carbon-weave polypropylene woofer

•1" Teteron dome tweeter with fluid cooling

Recommended

Amplifier Power

5 to 150 watts per channel

Nominal Impedance

8 ohm

Frequency Response

60 Hz to 23 kHz, +/- 3 dB

Sensitivity

91 dB with 2.83 V pink noise input, measured at 1 meter on axis

Wiring Requirements

We recommend using 16- to 18-gauge speaker wire for runs up to 80 feet (24.38 meters) and 14-gauge speaker wire for runs up to 200 feet (60.96 meters). The connectors will accommodate 12- to 22-gauge wire.

Dimensions (Loudspeaker with U-Bracket)

8-3/16" x 13-5/16" x 9-3/16" (20.8cm x 33.8cm x 23.3cm)

Weight (Loudspeaker and Bracket)

23 lb per pair (10.4 kg)

OS 6.5 Loudspeaker

Driver Complement

•6" carbon-weave polypropylene woofer

•1" Teteron dome tweeter with fluid cooling

Recommended

Amplifier Power

5 to 125 watts per channel

Nominal Impedance

8 ohm

Frequency Response

70 Hz to 23 kHz, +/- 3 dB

Sensitivity

90 dB with 2.83 V pink noise input, measured at 1 meter on axis

Wiring Requirements

We recommend using 16- to 18-gauge speaker wire for runs up to 80 feet (24.38 meters) and 14-gauge speaker wire for runs up to 200 feet (60.96 meters). The connectors will accommodate 12- to 22-gauge wire.

Dimensions (Loudspeaker with U-Bracket)

7-7/16" x 12" x 7-3/4" (18.9cm x 30.5cm x 19.7cm)

Weight (Loudspeaker and Bracket)

18 lb per pair (8.2 kg)

OS 5.5 Loudspeaker

Driver Complement

•5" carbon-weave polypropylene woofer

•1" Teteron dome tweeter with fluid cooling

Recommended

Amplifier Power

5 to 100 watts per channel

Nominal Impedance

8 ohm

Frequency Response

95 Hz to 23 kHz, +/- 3 dB

Sensitivity

90 dB with 2.83 V pink noise input, measured at 1 meter on axis

Wiring Requirements

We recommend using 16- to 18-gauge speaker wire for runs up to 80 feet (24.38 meters) and 14-gauge speaker wire for runs up to 200 feet (60.96 meters). The connectors will accommodate 12- to 22-gauge wire.

Dimensions (Loudspeaker with U-Bracket)

6-1/4" x 9-7/8" x 6-3/4" (15.9cm x 25.1cm x 17.1cm)

Weight (Loudspeaker and Bracket)

12 lb per pair (5.4 kg)

18